<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    // console.log('pink' + '老师')
    let age = 18
    document.write(`我今年${age}岁了`)
  </script>
</body>
</html>